3S76

The origin of the hydrophobic effect in the molecular recognition of arylsulfonamides by carbonic anhydrase

Structural Biology Knowledgebase: 3S76 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.6 Å
  • R-Value Free: 0.193
  • R-Value Work: 0.157

Literature

Macromolecules
Sequence Display for 3S76

Classification: LYASE

Total Structure Weight: 29361.69

Macromolecule Entities
Molecule Chains Length Organism Details
Carbonic anhydrase 2 A 258 Homo sapiens EC#: 4.2.1.1 IUBMB
Gene Name(s): CA2 Gene View
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 3 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
EVH
Query on EVH

A 1H-imidazole-2-sulfonamide
C3 H5 N3 O2 S
PMTLRCDQMKXMRZ-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
DMS
Query on DMS

A DIMETHYL SULFOXIDE
C2 H6 O S
IAZDPXIOMUYVGZ-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
ZN
Query on ZN

A ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
EVH N/A in BindingDB
N/A in BindingMoad
Kd: 9000 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.6 Å
  • R-Value Free: 0.193
  • R-Value Work: 0.157
  • Space Group: P 1 21 1

Unit Cell:

Length (Å) Angle (°)
a = 42.29 α = 90.00
b = 41.44 β = 104.66
c = 72.60 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2011-05-26
  • Released Date: 2011-10-19
  • Deposition author(s): Snyder, P.W., Heroux, A., Whitesides, G.W.

Revision History

  • 2011-12-21
    Type: Citation | Details: Citation update